295/30R24 in inches

A 295/30R24 tire is 31.0″ tall and 11.6″ wide, and fits a 24″ wheel. In inches it is written 31.0×11.6R24.

Diameter30.97″

Width11.61″

Sidewall3.48″

Drawn to scale. Nominal dimensions calculated from the size code.

Manufacturer data

How tall 295/30R24 tires really are

Heights published by Toyo for the one tire in this size. Their published revolutions per mile work out to 30.1″ under load (below).

The one tire listed, the Toyo Proxes ST III, measures 31.02″: 0.05″ taller than the size code's 30.97″.

Height under load30.1″

Published revs per mile (670) mean the tire rolls like a 30.1″ tire on the vehicle. Use this for speedometer calibration.

1 tire in 295/30R24

Sort by the spec you care about.

	Load					Revs/mi	Source
Toyo Proxes ST IIIPerformance	XL · 104W	31.02	38.4	10.1	1,984	670	Spec page

Is 295/30R24 a 31-inch tire?

≈31″

Yes. The size code works out to 30.97″, and the 1 tire here publishes 31.02″, so people call it a 31.

All 31-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

Size	Diameter ″	vs 295/30R24	Difference
315/30R23	30.44	-0.53″	-1.7%
285/35R23	30.85	-0.11″	-0.4%
335/30R23	30.91	-0.06″	-0.2%
295/35R23	31.13	+0.16″	+0.5%
285/35R24	31.85	+0.89″	+2.9%
325/35R23	31.96	+0.99″	+3.2%
285/40R23	31.98	+1.01″	+3.3%
295/35R24	32.13	+1.16″	+3.8%
305/35R24	32.41	+1.44″	+4.6%
285/40R24	32.98	+2.01″	+6.5%

How to read 295/30R24

How to read any tire size

How 295/30R24 104W is printed on the sidewall. It's the most common code among the 1 tire here; tires in this size come in other load and speed ratings too.

1295Section width

295 mm across the widest point, or 11.61 inches. Every 295 size

230Aspect ratio

A percentage, not a measurement: the sidewall is 30% as tall as the tire is wide, which is 88.5 mm or 3.48 inches.

3RConstruction

Radial construction.

424Wheel diameter

Mounts on a 24-inch wheel. Approved wheel widths run 10.0″ to 11.0″.

5104Load index

Each tire carries up to 1,984 lb (900 kg) at its maximum pressure.

6WSpeed rating

Rated for up to 168 mph sustained.

XLExtra load

Printed after the size.

Specification	Inches	Metric
Overall diameter	30.97	787 mm
Section width	11.61	295 mm
Sidewall height	3.48	88.5 mm
Circumference	97.3	2,471 mm
Revolutions per mile (calculated, unloaded)	651.2	405 per km
Revolutions per mile (published by manufacturers)	670	416 per km
Approved wheel width	10.0–11.0	254–279 mm

Speedometer error after switching to 295/30R24

Your actual speed– mph

Questions about 295/30R24

What is 295/30R24 in inches?

30.97 inches tall, 11.61 inches wide, on a 24-inch wheel. Written in inches, that is roughly 31.0×11.6R24.

What wheel width do I need for 295/30R24?

Manufacturers approve 10.0–11.0″ wide wheels for this size.

How many revolutions per mile does a 295/30R24 make?

Published figures run 670 revolutions per mile. The calculated figure is 651.2, but manufacturers measure the tire under load, where it rolls on a smaller radius.